user32: Partially implement FlashWindowEx with tests

[Detlef Riekenberg]

On So, 2011-05-22, André Hentschel wrote
> Thanks, will get into try 2

> pfwi->cbSize < sizeof(FLASHWINFO) || pfwi->cbSize > sizeof(FLASHWINFO)

That code can be reduced to:

pfwi->cbSize != sizeof(FLASHWINFO)


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By by ... Detlef